Surely, "fracas" doesn't even rhyme with "Caracas"? Surely it rhymes with the Pakistani name "Waqar"?

I knew a Waqar at school. Waqar Butt, his name was. No, really. And he had bright ginger hair. He was Asian, ginger and his name was Waqar Butt. Probably as a result of that, he was an aggressive little bastard. Waqar was always in a fracas.

Ahem...fracas rhymes visually and the poem itself, short as it is, makes no pretence at a full rhyming pattern. Not far from where I was born everyone was called 'whacker' until it went out of fashion in the 70s. Ho hum.